Bui. 671, U. S. Dept. of Agriculture. 



Plate I. 





mm 



>#^ 





E KSi 





A^V>' 



,k>.V 



iv* 





Fiq 1.— Comb Containing Larv/e Dead of European Foulbrood. 



About natural size. (Original.) 



Fig. 2.— Comb Containing Larv/e Dead of American Foulbrood. 



About natural size. (Original.) 

 EUROPEAN AND AMERICAN FOULBROOD. 



